[ENH] Add asv benchmarking files and benchmarking scripts

[adam2392]

Fixes #27
Closes: #82

Changes proposed in this pull request:

• Adds asv benchmarks to be able to run ASV benchmarking suite for tracking performance and runtime for estimators implemented
• Adds a benchmarking folder containing scripts one can run locally to get an idea of the performance

These are heavily inspired from scikit-learn suite

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[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (9a325ae) 86.73% compared to head (a11abbe) 86.73%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #124   +/-   ##
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  Coverage   86.73%   86.73%           
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  Files          26       26           
  Lines        2111     2111           
=======================================
  Hits         1831     1831           
  Misses        280      280           

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